CN107421811A - A kind of pressure break proppant pressure experiment machine and method - Google Patents
A kind of pressure break proppant pressure experiment machine and method Download PDFInfo
- Publication number
- CN107421811A CN107421811A CN201710615217.7A CN201710615217A CN107421811A CN 107421811 A CN107421811 A CN 107421811A CN 201710615217 A CN201710615217 A CN 201710615217A CN 107421811 A CN107421811 A CN 107421811A
- Authority
- CN
- China
- Prior art keywords
- proppant
- crushing chamber
- pressure
- pressure break
- put down
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
- G01N2203/0087—Resistance to crushing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0284—Bulk material, e.g. powders
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention provides a kind of pressure break proppant pressure experiment machine and method, including crushing chamber, pressure equipment and the piston located at crushing chamber, pressure equipment acts on piston, also device is put down including sample, it is supporting with crushing chamber that the sample puts down device, dismountable cover plate is provided with the top of the crushing chamber, the sample is put down and passes through cover plate at the top of device.This pressure break provided by the invention proppant pressure experiment machine, proppant is put down by putting down device, proppant is uniformly layered on crushing chamber inner chamber bottom surface, experimental precision is improved, reduces experiment risk source, operating efficiency is effectively improved, is advantageous to Laboratory Standard management.
Description
Technical field
The invention belongs to oil-gas field fracturing acidifying technical field of experiment equipment, and in particular to a kind of pressure break proppant pressure
Power experimental machine and method.
Background technology
Fracturing fluid and additive, which are mixed, is pumped into stratum, produces crack, and proppant is carried to seam, is propped up after the row of returning
Support agent makes fracture open.The effect of proppant is to make fracture open after crack is produced, therefore its intensity is most important, proppant
It must be enough to bear clossing pressure.Supporting crack is obtained under the effect of stratum effective stress with keeping long-term higher water conservancy diversion energy
Power is the key of steady output of oilwell.
The percentage of damage of proppant has an impact to supporting crack flow conductivity, so should reach its regulation in the proppant used
It is required that.Because the higher proppant long-term flow conductivity of percentage of damage declines by a big margin, thus at the scene pressure break when preferentially use
The relatively low proppant of percentage of damage can obtain higher fracture condudtiviy.Whether the percentage of damage of proppant is to examine proppant qualified
Major criterion.
Presently used standard SY/T5108-2014《Hydraulic fracturing and gravel packing operations proppant performance test methods》
In, it is desirable to sample is poured into crushing chamber, is then placed in the piston of crushing chamber, rotates 180 degree(It is not recommended that rotation 180 degree, it is proposed that shake
Dynamic crushing chamber so that sample is uniformly layered on bottom), the crushing chamber with sample is placed on press table.Diameter 76.2mm
Crushing chamber quality about 2kg, the method that bottom is uniformly layered on by shaking crushing chamber sample is less susceptible to realize:1、
Crushing chamber quality is too big, and the risk of hand-held crushing chamber vibrations is bigger, pounds on the ground or easily goes out security incident on pin.2nd, hand
Crushing chamber vibrations sample is held, it is big that sample is uniformly distributed otherness, qualitative can only probably be uniformly distributed, and can not quantify determination proppant
Lay uniform degree.
The content of the invention
The purpose of the present invention is to overcome the above-mentioned problems in the prior art, improves experimental precision, reduces experiment risk
Source, effectively improve operating efficiency.
To achieve these goals, technical scheme provided by the invention is as follows:
A kind of pressure break proppant pressure experiment machine, including crushing chamber, pressure equipment and the piston located at crushing chamber, press equipment
Act on piston, in addition to sample puts down device, it is supporting with crushing chamber that the sample puts down device, is provided with the top of the crushing chamber removable
Cover plate is unloaded, the sample is put down and passes through cover plate at the top of device.
The sample, which puts down device, to be included putting down bar, sample cover plate and rotary handle, the lid put down bar and pass through crushing chamber
Plate, it is described to put down the external screw thread for being equipped with the middle part of bar and being threadedly coupled with cover plate, the threaded upper ends connection rotation for putting down bar
Handle, lower end connection sample cover plate, the sample cover plate shape size are identical with crushing chamber lumenal cross-section;
The lower end of the rotary handle is fixedly connected with thickness pin, and the thickness pin, which sequentially passes through, puts down bar and sample cover plate posterior end
Connect it is horizontally disposed put down shrouding, the thickness pin can put down the motion of bar inner circumferential with being rotated in for rotary handle, described to sweep
The length of flat shrouding is equal to crushing chamber inner chamber internal diameter.
Both are fixedly connected after the upper end of the thickness pin passes through rotary handle, and the upper end connection of thickness pin is horizontally disposed
Rotation dial plate, it is described rotation dial plate rotary indicator be connected with thickness pin.
The piston top end face, which is provided with, grabs annular groove and grabs ring, described to grab ring with piston hinge and coordinate with grabbing annular groove.
Present invention also offers a kind of pressure break proppant pressure experiment method, pressure break proppant pressure experiment is used
Machine, the pressure break of experimental amount is placed in crushing chamber inner chamber with proppant, according to height of the pressure break proppant in crushing chamber inner chamber,
The distance of device lower end and crushing chamber intracavity bottom is put down in adjustment, is loaded after mixing up and is put down device pressure break is put down with proppant,
Lay pressure break proppant uniform, piston is put into crushing chamber inner chamber afterwards, equipment presses to piston by pressing, test pressure
Split the percentage of damage at a particular pressure with proppant.
A kind of pressure break proppant pressure experiment method, specifically includes following steps:
Step 1)Pressure break proppant is put into, according to the apparent density of pressure break proppant, Mass Calculation pressure break proppant volume,
Draw pressure break proppant in crushing chamber inner chamber by 100%-105% and crushing chamber the inner chamber bottom surface product of pressure break proppant volume
Highly, the screw connection point of bar and cover plate is put down according to height adjustment, sample cover plate is located above pressure break proppant,
Rotary handle rotates afterwards, drives thickness pointer to be moved upwardly or downwardly, make to put down shrouding apart from crushing chamber intracavity bottom away from
From equal to height of the pressure break proppant in crushing chamber inner chamber;
Step 2)Crushing chamber inner chamber will be put into the device of putting down that cover plate connects, rotary handle is according to clockwise and counterclockwise
Interval rotates a circle, and drive puts down shrouding and pressure break is repeatedly put down with proppant, lays proppant uniform, takes out afterwards
Put down device and cover plate;
Step 3)Piston alignment crushing chamber inner chamber is put into, by pressing, equipment presses to piston, and mini-frac proppant exists
Percentage of damage under specified pressure.
The beneficial effects of the invention are as follows:
This pressure break provided by the invention proppant pressure experiment machine, is put down to proppant by putting down device, makes support
Agent is uniformly layered on crushing chamber inner chamber bottom surface, improves experimental precision, reduces experiment risk source, effectively improves operating efficiency, have
Beneficial to Laboratory Standard management.
It is described in further details below in conjunction with accompanying drawing.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention;
Fig. 2 is piston structure schematic diagram.
In figure:1st, rotary indicator;2nd, rotary handle;3rd, cover plate;4th, crushing chamber inner chamber;5th, crushing chamber;6th, bar is put down;7th, sweep
Flat shrouding;8th, sample cover plate;9th, thickness pin;10th, annular groove is grabbed;11st, ring is grabbed.
Embodiment
Embodiment 1:
Present embodiments provide a kind of pressure break proppant pressure experiment machine, including crushing chamber 5, pressure equipment and located at crushing chamber
5 piston, pressure equipment acts on piston, in addition to sample puts down device, and the sample puts down device and crushing chamber 5 is supporting, described
The top of crushing chamber 5 is provided with dismountable cover plate 3, and the sample is put down and passes through cover plate 3 at the top of device.
This pressure break proppant pressure experiment machine that the present embodiment provides, is put down by putting down device to proppant,
Proppant is uniformly layered on the bottom surface of crushing chamber inner chamber 4, improve experimental precision, reduce experiment risk source, effectively improve work
Efficiency, be advantageous to Laboratory Standard management.
Embodiment 2:
On the basis of embodiment 1, a kind of pressure break proppant pressure experiment machine is present embodiments provided, the sample puts down device
Including putting down bar 6, sample cover plate 8 and rotary handle 2, the cover plate 3 put down bar 6 and pass through crushing chamber 5, the bar 6 of putting down
Middle part is equipped with the external screw thread being threadedly coupled with cover plate 3, the threaded upper ends connection rotary handle 2 for putting down bar 6, lower end connection
Sample cover plate 8, the shape size of sample cover plate 8 are identical with the cross section of crushing chamber inner chamber 4;
The lower end of the rotary handle 2 is fixedly connected with thickness pin 9, and the thickness pin 9, which sequentially passes through, puts down bar 6 and sample cover plate 8
Posterior end connection is horizontally disposed to put down shrouding 7, and the thickness pin 9 can put down the inner circumferential of bar 6 fortune with being rotated in for rotary handle 2
Dynamic, the length for putting down shrouding 7 is equal to the internal diameter of crushing chamber inner chamber 4.
Operation principle:Device is put down before crushing chamber inner chamber 4 is put into, it is necessary to adjust sample cover plate 8 and put down shrouding 7 apart from broken
The distance of the broken bottom surface of indoor chamber 4, the distance is by proppant apparent density, Mass Calculation proppant volume, due to proppant particles
Between gap be present, it is therefore certain in the diameter of crushing chamber 5, in the case that floor space is definite value, according to the 100%-105% of volume
Divided by floor space, height of the proppant in crushing chamber 5 can be calculated;Specific adjustment process is will to put down bar 6 and cover plate first
3 link position is fixed, and sample cover plate 8 is located above proppant, rotary handle 2 clockwise or counterclockwise, makes afterwards
Thickness pointer is moved upwardly or downwardly equal in the height of crushing chamber 5 with proppant apart from the position of proppant to shrouding 7 is put down;
After mixing up, it is put into and puts down device, rotating drive by rotary handle 2 puts down the circumferential movement of shrouding 7, proppant is put down,
It is even to be laid in the bottom surface of crushing chamber inner chamber 4.
Embodiment 3:
On the basis of embodiment 2, a kind of pressure break as shown in Figure 1 proppant pressure experiment machine, institute are present embodiments provided
State thickness pin 9 upper end pass through rotary handle 2 after both be fixedly connected, and the upper end of thickness pin 9 connects horizontally disposed rotation
Dial plate, the rotary indicator 1 of the rotation dial plate are connected with thickness pin 9.
Can be by setting rotary indicator 1 not have rotation to turn around, thickness pointer will move up or down 1mm, so can root
It can be adjusted according to the proppant height directly number of turns corresponding to rotation(Wherein, putting down the initial conditions of device is, put down shrouding 7 with
The bottom surface of crushing chamber 5 contacts), adjustment time is greatlyd save, it is more efficient quick.
In the present embodiment, the piston top end face, which is provided with, grabs annular groove 10 and grabs ring 11, described to grab ring 11 and piston hinge
And coordinate with grabbing annular groove 10.As shown in Figure 2.Ring 11 is grabbed conveniently piston is put into or extracted.Test sample scope is 1-
100mm。
Embodiment 4:
On the basis of previous embodiment, a kind of pressure break proppant pressure experiment method is present embodiments provided, uses pressure break
With proppant pressure experiment machine, the pressure break of experimental amount is placed in crushing chamber inner chamber 4 with proppant, existed according to pressure break proppant
The distance of device lower end and the bottom of crushing chamber inner chamber 4 is put down in the height of crushing chamber inner chamber 4, adjustment, is loaded after mixing up and is put down device to pressure
Split and put down with proppant, lay pressure break proppant uniform, piston is put into crushing chamber inner chamber 4 afterwards, passes through pressure
Equipment presses to piston, percentage of damage of the mini-frac with proppant at a particular pressure.
Detailed process is as follows:
Step 1)Pressure break proppant is put into, according to the apparent density of pressure break proppant, Mass Calculation pressure break proppant volume,
Draw pressure break proppant in crushing chamber inner chamber 4 with the 100%-105% and the floor space of crushing chamber inner chamber 4 of proppant volume by pressure break
Height, the screw connection point of bar 6 and cover plate 3 is put down according to height adjustment, sample cover plate 8 is located at pressure break proppant
Top, afterwards rotary handle 2 rotate, drive thickness pointer be moved upwardly or downwardly, make to put down shrouding 7 apart from crushing chamber inner chamber 4
The distance of bottom is equal to height of the pressure break proppant in crushing chamber inner chamber 4;
Step 2)Crushing chamber inner chamber 4 will be put into the device of putting down that cover plate 3 connects, rotary handle 2 is according to clockwise and anticlockwise
Direction interval rotates a circle, and drive puts down shrouding 7 and pressure break is repeatedly put down with proppant, lays proppant uniform, it
Take out afterwards and put down device and cover plate 3;
Step 3)Piston alignment crushing chamber inner chamber 4 is put into, by pressing, equipment presses to piston, and mini-frac proppant exists
Percentage of damage under specified pressure.
Part, the well-known components of structure and the method category industry and common structure that above example does not describe in detail or
Conventional means, do not describe one by one here.
It is exemplified as above be only to the present invention for example, do not form the limitation to protection scope of the present invention, it is all
It is to be belonged to the same or analogous design of the present invention within protection scope of the present invention.
Claims (6)
1. a kind of pressure break proppant pressure experiment machine, including crushing chamber(5), pressure equipment and located at crushing chamber(5)Piston,
Pressure equipment acts on piston, it is characterised in that:Device also is put down including sample, the sample puts down device and crushing chamber(5)It is supporting,
The crushing chamber(5)Top is provided with dismountable cover plate(3), the sample puts down and passes through cover plate at the top of device(3).
A kind of 2. pressure break according to claim 1 proppant pressure experiment machine, it is characterised in that:The sample puts down device
Including putting down bar(6), sample cover plate(8)And rotary handle(2), it is described to put down bar(6)Through crushing chamber(5)Cover plate(3), institute
State and put down bar(6)Middle part be equipped with and cover plate(3)The external screw thread of threaded connection, it is described to put down bar(6)Threaded upper ends connection
Rotary handle(2), lower end connection sample cover plate(8), the sample cover plate(8)Shape size and crushing chamber inner chamber(4)Cross section
It is identical;
The rotary handle(2)Lower end be fixedly connected with thickness pin(9), the thickness pin(9)Sequentially pass through and put down bar(6)And sample
Product cover plate(8)Posterior end connection is horizontally disposed to put down shrouding(7), the thickness pin(9)Can be with rotary handle(2)Be rotated in
Put down bar(6)Inner circumferential is moved, described to put down shrouding(7)Length be equal to crushing chamber inner chamber(4)Internal diameter.
A kind of 3. pressure break according to claim 2 proppant pressure experiment machine, it is characterised in that:The thickness pin(9)
Upper end pass through rotary handle(2)Both are fixedly connected afterwards, and thickness pin(9)Upper end connect horizontally disposed rotation dial plate,
The rotary indicator of the rotation dial plate(1)With thickness pin(9)Connection.
A kind of 4. pressure break according to claim 1 proppant pressure experiment machine, it is characterised in that:The piston top end face
Provided with grabbing annular groove(10)With grab ring(11), it is described to grab ring(11)With piston hinge and with grabbing annular groove(10)Coordinate.
5. a kind of pressure break proppant pressure experiment method, usage right requires the pressure break proppant pressure described in any one of 1-4
Power experimental machine, it is characterised in that:The pressure break of experimental amount is placed in crushing chamber inner chamber with proppant(4)In, supported according to pressure break
Agent is in crushing chamber inner chamber(4)Height, adjustment put down device lower end and crushing chamber inner chamber(4)The distance of bottom, load after mixing up and sweep
Flat device is put down to pressure break with proppant, lays pressure break proppant uniform, piston is put into crushing chamber inner chamber afterwards
(4), by pressing, equipment presses to piston, percentage of damage of the mini-frac with proppant at a particular pressure.
6. a kind of pressure break according to claim 5 proppant pressure experiment method, it is characterised in that specifically include following
Step:
Step 1)Pressure break proppant is put into, according to the apparent density of pressure break proppant, Mass Calculation pressure break proppant volume,
100%-105% and crushing chamber inner chamber by pressure break proppant volume(4)Floor space draws pressure break proppant in crushing chamber
Chamber(4)Height, according to the height adjustment put down bar(6)With cover plate(3)Screw connection point, make sample cover plate(8)It is located at
Above pressure break proppant, rotary handle afterwards(2)Rotation, drive thickness pointer to be moved upwardly or downwardly, make to put down shrouding(7)
Apart from crushing chamber inner chamber(4)The distance of bottom is equal to pressure break proppant in crushing chamber inner chamber(4)Height;
Step 2)Will be with cover plate(3)The device of putting down connected is put into crushing chamber inner chamber(4), rotary handle(2)According to clockwise and
Counterclockwise interval is rotated a circle, and shrouding is put down in drive(7)Pressure break is repeatedly put down with proppant, lays proppant
Uniformly, take out afterwards and put down device and cover plate(3);
Step 3)By piston alignment crushing chamber inner chamber(4)It is put into, by pressing, equipment presses to piston, mini-frac proppant
Percentage of damage at a particular pressure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710615217.7A CN107421811B (en) | 2017-07-26 | 2017-07-26 | Proppant pressure experiment machine and method for fracturing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710615217.7A CN107421811B (en) | 2017-07-26 | 2017-07-26 | Proppant pressure experiment machine and method for fracturing |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107421811A true CN107421811A (en) | 2017-12-01 |
CN107421811B CN107421811B (en) | 2023-09-26 |
Family
ID=60430556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710615217.7A Active CN107421811B (en) | 2017-07-26 | 2017-07-26 | Proppant pressure experiment machine and method for fracturing |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107421811B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110208093A (en) * | 2019-06-28 | 2019-09-06 | 新密市万力实业发展有限公司 | Rotary particulate samples lay device |
CN110702524A (en) * | 2018-07-10 | 2020-01-17 | 中国石油天然气股份有限公司 | Self-supporting solid-phase breakage rate testing device and method |
CN113340760A (en) * | 2021-06-22 | 2021-09-03 | 中国石油天然气股份有限公司 | Device for measuring proppant breaking rate |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080060444A1 (en) * | 2006-08-07 | 2008-03-13 | Stim-Lab, Inc. | Apparatus and method for measuring crush-resistance of granular materials |
CN203854958U (en) * | 2014-05-04 | 2014-10-01 | 天津市峰海工贸有限公司 | Portable plastic bucket |
CN105067447A (en) * | 2015-07-16 | 2015-11-18 | 中国石油天然气股份有限公司长庆油田分公司技术监测中心 | Pressure testing machine for propping agent test |
CN105455686A (en) * | 2015-06-30 | 2016-04-06 | 四川九鼎智远知识产权运营有限公司 | Spiral lifting stirrer, cup lid and cup |
CN206139259U (en) * | 2016-08-29 | 2017-05-03 | 訾传伦 | Traditional chinese medicine processing grinder |
CN207081615U (en) * | 2017-07-26 | 2018-03-09 | 中国石油天然气股份有限公司 | A kind of pressure break proppant pressure experiment machine |
-
2017
- 2017-07-26 CN CN201710615217.7A patent/CN107421811B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080060444A1 (en) * | 2006-08-07 | 2008-03-13 | Stim-Lab, Inc. | Apparatus and method for measuring crush-resistance of granular materials |
CN203854958U (en) * | 2014-05-04 | 2014-10-01 | 天津市峰海工贸有限公司 | Portable plastic bucket |
CN105455686A (en) * | 2015-06-30 | 2016-04-06 | 四川九鼎智远知识产权运营有限公司 | Spiral lifting stirrer, cup lid and cup |
CN105067447A (en) * | 2015-07-16 | 2015-11-18 | 中国石油天然气股份有限公司长庆油田分公司技术监测中心 | Pressure testing machine for propping agent test |
CN206139259U (en) * | 2016-08-29 | 2017-05-03 | 訾传伦 | Traditional chinese medicine processing grinder |
CN207081615U (en) * | 2017-07-26 | 2018-03-09 | 中国石油天然气股份有限公司 | A kind of pressure break proppant pressure experiment machine |
Non-Patent Citations (1)
Title |
---|
董小丽 等: "支撑剂新旧标准及实验方法比对" * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110702524A (en) * | 2018-07-10 | 2020-01-17 | 中国石油天然气股份有限公司 | Self-supporting solid-phase breakage rate testing device and method |
CN110208093A (en) * | 2019-06-28 | 2019-09-06 | 新密市万力实业发展有限公司 | Rotary particulate samples lay device |
CN113340760A (en) * | 2021-06-22 | 2021-09-03 | 中国石油天然气股份有限公司 | Device for measuring proppant breaking rate |
Also Published As
Publication number | Publication date |
---|---|
CN107421811B (en) | 2023-09-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107421811A (en) | A kind of pressure break proppant pressure experiment machine and method | |
CN207539449U (en) | A kind of petroleum pipeline pedestal easy to use | |
CN207081615U (en) | A kind of pressure break proppant pressure experiment machine | |
CN105884357A (en) | Graphite die material for hot-press molding and preparation method of graphite die material | |
CN103712840B (en) | A kind of static pressure shears sample product instrument and product method thereof | |
CN207357029U (en) | A kind of small single production equipment of fireproof coating | |
CN203779588U (en) | Drilling device for subplate | |
CN203965009U (en) | A kind of automatic weighing device of cement balancing weight raw material | |
CN204075099U (en) | A kind of aluminum-alloy wheel aluminium liquid gatherer | |
CN208475878U (en) | A kind of diadust drying unit | |
CN206936422U (en) | A kind of portable drilling machine | |
CN207126663U (en) | A kind of piezoelectric ceramics powder centrifuges deironing apparatus | |
CN205785999U (en) | A kind of During Geotechnical Tests compacting equipment | |
CN105217088A (en) | Buffer-type steel-making slag powder bagging apparatus | |
CN213801202U (en) | Heavy industry hopper with drying function | |
CN204197866U (en) | A kind of discharging rotating-table apparatus | |
CN209440409U (en) | A kind of large-size ceramic cold isostatic compaction mould | |
CN202962555U (en) | Novel structure of crushing device | |
CN203756070U (en) | Pumping unit polish rod stabilizing vibration reducer | |
CN209057986U (en) | A kind of white tea tealeaves aerostatic press | |
CN206873985U (en) | A kind of civil construction support meanss | |
CN206862727U (en) | A kind of hardening of cement test specimen lapping device | |
CN106285611B (en) | A kind of rock beam top driving device for API standard diversion chamber | |
CN205761017U (en) | A kind of die casting granulation machine | |
CN206891827U (en) | A kind of cement normal consistency detection shaped device based on cam mechanism |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |